Introduction/application Specially developed as an extra smooth joint cement, Wondertex Ultralight covers up to 20% more than traditional joint cement material. Ultralight is suitable for hand and machine jointing.

A continuous, thin band of Wondertex Ultralight joint filler is applied to the trough of the tapered edge joints. Centre jointing tape over the joint, removing any air bubbles to ensure good adhesion. 90 minutes after the tape has been fixed, apply a layer of Ultralight joint cement over the tape, flush with the surface of the plasterboard and allow to dry. Apply a second coat over the joint approximately 180 - 250mm wide and allow to dry. Finish with an application 250 - 300mm wide, applied to the edges, and feathered out with a damp sponge. Sand down using 120 grade sand paper.

Quality/standards

Wondertex Ultralight joint cement is manufactured to BS6214 1982. For use on all gypsum boards conforming to BS1230 Part 1 1985.

Features/advantages

• Specially developed as an extra smooth finishing system.
• Covers up to 20% more than traditional joint cement materials.
• Supplied as a one-bag system for machine jointing.
• Supplied in powder form in 20kg paper sacks.

Additional information

Mixing: gently add Wondertex Ultralight joint cement to 1/3 bucket of clean tap water and mix thoroughly to a thick consistency until free of lumps. Leave to stand for a few minutes then remix adding more powder or water to achieve a smooth, workable consistency.

Wondertex Ultralight joint cement can also be applied as a diluted mixture to the overall surface, using a sponge in a rotational manner. After using Ultralight joint cement, and the sanding procedure has been completed, apply a coat of Wondertex drywall top coat over the whole surface to obtain a first-class finish for textures, wallpaper or paint.